MQ647F喷煤粉专用球阀产品结构特点本系列气动球阀是作为控制含尘、含固体粉末，特别适用于高炉煤粉喷吹、空气管路及喷***路等系统。1、阀座带有磨损自动补偿装置，有效确保阀门的密封性能。2、特殊材料制成的密封圈，具有耐高温、耐磨损、使用寿命长的特点。3、阀门结构紧凑、启闭灵活、安装维修方便。C***tructionFeaturesTheAiroperatedballvalveseriesaredesignedforcontrollingthepowderscontainingdustsorsolidbodies,especiallyforthosefieldsorsystemsascoal-powderinjectioninhigh-furnace,airflowlines,lancelines,etc.1.Wear-auto-compensationequipmentisappliedwiththevalveseattoeffectivelyensurethesealingperformanceofthevalve.2.Thesealringmadefromexoticmaterialsfeaturessuchspe-cialtiesashigh-temperatureresistance,abrasion-resistance,longservice-life,etc.3.Thevalvebearsthosecharacteristicslikecompactstructure,flexibleon-off,andconvenientmethodforinstallationandmainte-nance.主要零件材质MainPartsandMaterials零件名称Accessoryname材质Materials阀体、阀盖Body,bonnetWCB球体、阀座GlobeBody,seat1Cr18Ni9Ti+硬铬ICr18Ni9Ti+Hardchrome阀杆Stem2Cr13密封圈Sealingring特种耐磨耐高温四氟Specialwearing-resistingandhigh-temperatureresistancetetrafluorine螺栓Bolt中碳钢MediumCarbonstell主要外型及连接尺寸表FormofMainTypesandConnectingDimension公称压力Nominalpressure1.6Mpa壳体试验压力ShellTestPressure2.4Mpa高压液密封High-PressureLiquidSealing1.76Mpa低压气密封Low-PressureHermeticSealing0.6Mpa适用温度ApplicableTemperature-28~300℃适用介质ApplicableMediums含尘气体、煤粉等Dustygases,Powdercoal,etc.结构长度按StructurallengthfollowsGB1221-89法兰尺寸按FlangeDimensionfollowsGB9113、JB79-59检验试验按TestandInspectionfollowsJB/T9092-99驱动方式Drivingmanner手动、气动Manual/Pneumatic公称压力PN(MPa)Nominalpressure公称通径DN(mm)Nominaldiameter尺寸Dimension(mm)LWH手动Manual气动Pneumatic手动Manual气动Pneumatic1.6251801402359029832200155235107304402202503301273705022025033014037665241350400164425802833505101774841003054205102065311253567005802925701503941000720320570200457720610250533900670300610105074035068612907904007621600905其余连接尺寸请参阅样本《主要外型与连接尺寸表达式》PleaserefertothesamplebookofFormofMainTypesandConnectingDimensionforotherconnectiondimensi***.)